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Image annotator

Draw, highlight, add text and shapes, and blur regions on any image.

Everything happens locally in your browser. Nothing is uploaded.
Image
Everything stays in your browser.

PNG, JPEG, WEBP, AVIF, GIF, BMP, TIFF, SVG, and HEIC/HEIF up to 100 MB.

100%

Drop an image here or use the upload field to start annotating.

Style
Applied to the next annotation.
Annotations (0)
Select, reorder, or remove any object.

Nothing added yet.

Export
Flattened at full resolution.

A practical guide to Image annotator

Image Annotator is a browser-based markup editor for photos and screenshots. Brush strokes, highlighter, arrows, shapes, text boxes, and blur regions stay editable objects until you flatten them into a PNG, JPEG, WEBP, or AVIF export.

Example: mark up a product screenshot for review

Arrow the control that misbehaves, drop a short text box beside it, blur the account details in the header, then export at original size so every callout stays sharp.

Task-specific steps

  1. 1

    Open a PNG, JPEG, WEBP, AVIF, GIF, BMP, TIFF, SVG, or HEIC image; HEIC photos are decoded locally in the browser.

  2. 2

    Draw with the brush, highlighter, shape, arrow, text, and blur tools, then select any object to move, resize, restyle, reorder, or delete it.

  3. 3

    Pick an export format, quality, and output scale, then download the flattened image with every annotation burned into the pixels.

Options that affect the result

  • Each annotation is a separate object with its own color, stroke width, opacity, and stacking order until export.
  • Blur regions can soften or pixelate an area, and export settings control the format, compression quality, and output resolution.

Limitations to know first

  • Annotations become part of exported pixels and are not separately editable in ordinary image viewers.
  • AVIF and WEBP encoding depends on the browser; when a codec is missing the export automatically falls back to PNG.

Questions specific to this task

Can I edit or delete an annotation after adding it?

Yes. Switch to the select tool, click the object, then move, resize, restyle, reorder, or delete it. Undo and redo cover every edit until you export.

Which image formats can I open and save?

Open PNG, JPEG, WEBP, AVIF, GIF, BMP, TIFF, SVG, and HEIC/HEIF photos, and export PNG, JPEG, WEBP, or AVIF at 50%, 100%, or 200% of the source size.